diff --git a/sixtyfps_runtime/rendering_backends/qt/qt_window.rs b/sixtyfps_runtime/rendering_backends/qt/qt_window.rs
index 6e1298d10b7..6d9426e6240 100644
--- a/sixtyfps_runtime/rendering_backends/qt/qt_window.rs
+++ b/sixtyfps_runtime/rendering_backends/qt/qt_window.rs
@@ -345,7 +345,7 @@ fn from_qt_button(qt_button: u32) -> PointerEventButton {
     match qt_button {
         1 => PointerEventButton::left,
         2 => PointerEventButton::right,
-        3 => PointerEventButton::middle,
+        4 => PointerEventButton::middle,
         _ => PointerEventButton::none,
     }
 }